5 letter words:
apsis7,
aspis7,
basis7,
bassi7,
basso7,
isbas7,
obias7,
pisos7,
psoai7,
psoas7,
soaps7,
sobas7,
oasis5,
ossia5,
4 letter words:
baps8,
bops8,
abos6,
apos6,
asps6,
bass6,
bias6,
bios6,
boas6,
boos6,
boss6,
isba6,
obas6,
obia6,
obis6,
oops6,
pass6,
pias6,
piso6,
piss6,
pois6,
poos6,
psis6,
sabs6,
saps6,
sibs6,
sips6,
soap6,
soba6,
sobs6,
sops6,
spas6,
ossa4,
3 letter words:
bap7,
bop7,
abo5,
abs5,
apo5,
asp5,
bas5,
bio5,
bis5,
boa5,
boo5,
bos5,
oba5,
obi5,
ops5,
pas5,
pia5,
pis5,
poi5,
poo5,
psi5,
sab5,
sap5,
sib5,
sip5,
sob5,
sop5,
spa5,
ais3,
ass3,
sis3,
sos3,
2 letter words:
ab4,
ba4,
bi4,
bo4,
op4,
pa4,
pi4,
ai2,
as2,
is2,
oi2,
os2,
si2,
so2,